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GameServer/Contents/ItemFirstPurchaseHistory/Helper/ItemFirstPurchaseHistoryHelper.cs

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+using ServerCommon;
+using ServerCore; using ServerBase;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GameServer
+{
+    internal static class ItemFirstPurchaseHistoryHelper
+    {
+        public static Result checkItemFirstPurchaseItemCount(this Player player, int itemMetaId, int itemCount)
+        {
+            var result = new Result();
+            var err_msg = string.Empty;
+
+            if (!MetaData.Instance._ItemTable.TryGetValue(itemMetaId, out var itemMetaData))
+            {
+                err_msg = $"Failed to TryGetValue() !!! : itemMetaId:{itemMetaId}";
+                result.setFail(ServerErrorCode.ItemMetaDataNotFound, err_msg);
+                Log.getLogger().error(result.toBasicString());
+
+                return result;
+            }
+
+            if (itemMetaData.Buy_Discount_Rate == 0)
+                return result;
+
+            var item_first_purchase_history_agent_action = player.getEntityAction<ItemFirstPurchaseHistoryAgentAction>();
+            NullReferenceCheckHelper.throwIfNull(item_first_purchase_history_agent_action, () => $"item_first_purchase_history_agent_action is null !!! - {player.toBasicString()}");
+
+            if (item_first_purchase_history_agent_action.isItemFirstPurchase(itemMetaId))
+            {
+                if (itemCount > 1)
+                {
+                    err_msg = $"Fail to check item first purchased discount item count : purchase count - {itemCount}";
+                    result.setFail(ServerErrorCode.ItemFirstPurchaseDiscountItemCountWrong, err_msg);
+                    Log.getLogger().error(err_msg);
+                    
+                    return result;
+                }
+            }
+
+            return result;
+        }
+    }
+}

GameServer/Contents/ItemFirstPurchaseHistory/Helper/ItemFirstPurchaseHistoryNotifyHelper.cs

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+using ServerCommon;
+using ServerCore; using ServerBase;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static ClientToGameMessage.Types;
+
+namespace GameServer
+{
+    internal static class ItemFirstPurchaseHistoryNotifyHelper
+    {
+        public static bool send_S2C_NTF_ITEM_FIRST_PURCHASE_HISTORY(this Player player)
+        {
+            var item_first_purchase_history_agent_action = player.getEntityAction<ItemFirstPurchaseHistoryAgentAction>();
+            NullReferenceCheckHelper.throwIfNull(item_first_purchase_history_agent_action, () => $"item_first_purchase_history_agent_action is null !!! - {player.toBasicString()}");
+
+            var ntf_packet = new ClientToGame();
+            ntf_packet.Message = new ClientToGameMessage();
+            ntf_packet.Message.NtfItemFirstPurchaseHistory = new GS2C_NTF_ITEM_FIRST_PURCHASE_HISTORY();
+
+            var item_first_purchase_histories = item_first_purchase_history_agent_action.getItemFirstPurchaseHistories();
+            foreach (var item_first_purchase_history in item_first_purchase_histories)
+            {
+                var item_first_purchase_history_attribute = item_first_purchase_history.getEntityAttribute<ItemFirstPurchaseHistoryAttribute>();
+                NullReferenceCheckHelper.throwIfNull(item_first_purchase_history_attribute, () => $"ItemFirstPurchaseHistoryAttrib is null !!! - player:{player.toBasicString()}");
+
+                ntf_packet.Message.NtfItemFirstPurchaseHistory.ItemMetaids.Add(item_first_purchase_history_attribute.ItemMetaId);
+            }
+
+            if (false == GameServerApp.getServerLogic().onSendPacket(player, ntf_packet))
+            {
+                return false;
+            }
+
+            return true;
+        }
+    }
+}